The present disclosure relates to a method for vibration feeding of bulk material and a vibration feeder device provided for such purposes, comprising a material feed, a charging hopper including a hopper discharge, a feeder tray, a height adjustment means for adjusting a level height between the hopper discharge and the feeder tray, and a vibration driver for driving the feeder tray at an oscillation amplitude and an oscillation frequency, where a target material throughput and material specific parameters of the bulk material are input, initial parameters for the level height, oscillation amplitude and oscillation frequency are determined from these inputs, and subsequently the level height is adjusted by controlling the height adjustment means.

The present disclosure relates to a method for vibration feeding of bulk material and a vibration feeder device provided for such purposes, comprising a material feed, a charging hopper including a hopper discharge, a feeder tray, a height adjustment means for adjusting a level height between the hopper discharge and the feeder tray, and a vibration driver for driving the feeder tray at an oscillation amplitude and an oscillation frequency, where a target material throughput and material specific parameters of the bulk material are input, initial parameters for the level height, oscillation amplitude and oscillation frequency are determined from these inputs, and subsequently the level height is adjusted by controlling the height adjustment means.

To provide a highly reliable combination weighing device having an object supply chute disposed above a dispersion section, which can prevent foreign matter from being mixed into objects due to the falling of screw members from a support frame supporting the object supply chute. A combination weighing device is provided with a dispersion section, weighing hoppers, a control unit, an object supply chute (150), and a support frame (100). The dispersion section disperses and supplies objects around the dispersion section. The weighing hoppers are arranged around the dispersion section. The control unit performs combination calculation based on weighing values in the weighing hoppers. The object supply chute is placed above the dispersion section and supplies the objects to the dispersion section. The support frame supports the object supply chute. The support frame includes members (111, 113, and 114) as engaged members, hooks as engaging members that engage with the engaged members, and fixing members (140) as non-screw members. The fixing members press the engaging members against the engaged members and fix the engaging members to the engaged members.

To provide a highly reliable combination weighing device having an object supply chute disposed above a dispersion section, which can prevent foreign matter from being mixed into objects due to the falling of screw members from a support frame supporting the object supply chute. A combination weighing device is provided with a dispersion section, weighing hoppers, a control unit, an object supply chute (150), and a support frame (100). The dispersion section disperses and supplies objects around the dispersion section. The weighing hoppers are arranged around the dispersion section. The control unit performs combination calculation based on weighing values in the weighing hoppers. The object supply chute is placed above the dispersion section and supplies the objects to the dispersion section. The support frame supports the object supply chute. The support frame includes members (111, 113, and 114) as engaged members, hooks as engaging members that engage with the engaged members, and fixing members (140) as non-screw members. The fixing members press the engaging members against the engaged members and fix the engaging members to the engaged members.

A portable drive-over conveyor is provided with a plurality of inlets and first and second conveyors so as to be arranged for simultaneously unloading multiple trucks side by side. Furthermore, the portable drive-over conveyor may be used in a system with another such drive-over conveyor in parallel to unload a truck having multiple discharges at each of the discharges by forming a bridge in between center structures of the drive-over conveyors allowing the truck to cross over the side by side drive-over conveyors and position the multiple discharges over the inlets of the side by side conveyors. Moreover, the second conveyor is swivably mountable on a frame of the drive-over conveyor such that particulate material is dischargeable at different locations angularly of a longitudinal axis of the trailer. The portable drive-over conveyor includes other novel features which are usable on a drive-over conveyor of the same type having at least one inlet.

A multi-deck screening assembly includes a plurality of vertically-stacked downwardly-sloping screen decks, each with grading apertures through which under-sized material may pass, while over-sized material passes over a lower discharge end of each screen deck. The screen decks are mounted on a common frame, which is mounted on a chassis and provided with vibration device. The screen decks include an upper deck, an intermediate deck below for receiving under-sized material from the upper deck, and a lower deck below the intermediate deck for receiving under-sized material from the intermediate screen deck. A first chassis-mounted stockpile conveyor receives over-sized material from the lower deck, a second chassis-mounted stockpile conveyor receives over-sized material from the intermediate deck, and a third stockpile conveyor receives over-sized material from the upper deck. A transfer conveyor is operable to deliver over-sized material from the discharge end of the upper deck onto the third stockpile conveyor.

A multi-deck screening assembly includes a plurality of vertically-stacked downwardly-sloping screen decks, each with grading apertures through which under-sized material may pass, while over-sized material passes over a lower discharge end of each screen deck. The screen decks are mounted on a common frame, which is mounted on a chassis and provided with vibration device. The screen decks include an upper deck, an intermediate deck below for receiving under-sized material from the upper deck, and a lower deck below the intermediate deck for receiving under-sized material from the intermediate screen deck. A first chassis-mounted stockpile conveyor receives over-sized material from the lower deck, a second chassis-mounted stockpile conveyor receives over-sized material from the intermediate deck, and a third stockpile conveyor receives over-sized material from the upper deck. A transfer conveyor is operable to deliver over-sized material from the discharge end of the upper deck onto the third stockpile conveyor.

An apparatus for mineral material processing including a movable frame and a side conveyor which is attached to the frame and a pivot joint for the side conveyor which pivot joint is attached between the side conveyor and the frame, and the side conveyor is pivotable horizontally around the pivot joint to one or more operating positions at least on one side of the processing apparatus and to a transportation position.

An apparatus for mineral material processing including a movable frame and a side conveyor which is attached to the frame and a pivot joint for the side conveyor which pivot joint is attached between the side conveyor and the frame, and the side conveyor is pivotable horizontally around the pivot joint to one or more operating positions at least on one side of the processing apparatus and to a transportation position.

An apparatus includes a hopper configured to receive a plurality of solder microspheres, and a moveable singulation device positioned proximate to and below the hopper. The moveable singulation device is configured to receive the plurality of solder microspheres from the hopper as the plurality of microspheres exit the hopper. The movable singulation device includes a plurality of holes, with each of the plurality of holes configured to receive a single solder microsphere of the plurality of solder micro spheres. The apparatus further includes a piezoelectric vibration device configured to provide ultrasonic vibrations to the singulation device, thereby preventing agglomeration of the plurality of solder microspheres in the hopper.